NL6815265A - - Google Patents

Info

Publication number
NL6815265A
NL6815265A NL6815265A NL6815265A NL6815265A NL 6815265 A NL6815265 A NL 6815265A NL 6815265 A NL6815265 A NL 6815265A NL 6815265 A NL6815265 A NL 6815265A NL 6815265 A NL6815265 A NL 6815265A
Authority
NL
Netherlands
Application number
NL6815265A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL6815265A publication Critical patent/NL6815265A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
NL6815265A 1967-10-30 1968-10-25 NL6815265A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR126288A FR1549456A (en) 1967-10-30 1967-10-30
FR179756A FR95649E (en) 1967-10-30 1968-12-20 Simplified frequency synthesizer providing two frequencies shifted by a constant difference.

Publications (1)

Publication Number Publication Date
NL6815265A true NL6815265A (en) 1969-05-02

Family

ID=26180388

Family Applications (2)

Application Number Title Priority Date Filing Date
NL6815265A NL6815265A (en) 1967-10-30 1968-10-25
NL6919064A NL6919064A (en) 1967-10-30 1969-12-19

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL6919064A NL6919064A (en) 1967-10-30 1969-12-19

Country Status (6)

Country Link
US (2) US3537026A (en)
BE (2) BE722679A (en)
DE (2) DE1806153A1 (en)
FR (2) FR1549456A (en)
GB (2) GB1184643A (en)
NL (2) NL6815265A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641442A (en) * 1970-06-25 1972-02-08 Hughes Aircraft Co Digital frequency synthesizer
US3809815A (en) * 1972-05-04 1974-05-07 Litton Systems Inc Communication system utilizing frequency division multiplexing to link a plurality of stations each containing a switchable synthesizer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2401481A (en) * 1940-09-30 1946-06-04 Hazeltine Research Inc High-frequency signal generator
US2529443A (en) * 1945-10-22 1950-11-07 Premier Crystal Lab Inc Multiband superheterodyne radio receiver having a push-button station selector
US2487857A (en) * 1945-11-21 1949-11-15 Collins Radio Co Channelized high-frequency signal receiving system
US3085202A (en) * 1959-06-02 1963-04-09 Jakubowics Edward Synthesization of crystal-controlled frequencies

Also Published As

Publication number Publication date
US3624540A (en) 1971-11-30
NL6919064A (en) 1970-06-23
BE722679A (en) 1969-04-22
GB1184643A (en) 1970-03-18
BE742835A (en) 1970-06-09
US3537026A (en) 1970-10-27
DE1958946A1 (en) 1970-09-10
DE1806153A1 (en) 1969-05-22
FR1549456A (en) 1968-12-13
GB1231350A (en) 1971-05-12
FR95649E (en) 1971-03-26

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Legal Events

Date Code Title Description
BI The patent application has been withdrawn